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30151421502 = 23107119339367
BaseRepresentation
bin11100000101001010…
…100010111000111110
32212211022012220121220
4130011022202320332
5443222230442002
621503521334210
72115115565646
oct340512427076
985738186556
1030151421502
1111872767274
125a15797366
132ac6871017
1416605c3526
15bb70897bc
hex7052a2e3e

30151421502 has 32 divisors (see below), whose sum is σ = 60918988032. Its totient is φ = 9947945664.

The previous prime is 30151421491. The next prime is 30151421543. The reversal of 30151421502 is 20512415103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746223 + ... + 785589.

It is an arithmetic number, because the mean of its divisors is an integer number (1903718376).

Almost surely, 230151421502 is an apocalyptic number.

30151421502 is an abundant number, since it is smaller than the sum of its proper divisors (30767566530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30151421502 is a wasteful number, since it uses less digits than its factorization.

30151421502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40672.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 30151421502 its reverse (20512415103), we get a palindrome (50663836605).

The spelling of 30151421502 in words is "thirty billion, one hundred fifty-one million, four hundred twenty-one thousand, five hundred two".

Divisors: 1 2 3 6 107 214 321 642 1193 2386 3579 7158 39367 78734 118101 127651 236202 255302 382953 765906 4212269 8424538 12636807 25273614 46964831 93929662 140894493 281788986 5025236917 10050473834 15075710751 30151421502